147257423 has 4 divisors (see below), whose sum is σ = 147728208. Its totient is φ = 146786640.

The previous prime is 147257401. The next prime is 147257459. The reversal of 147257423 is 324752741.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 147257423 - 2⁸ = 147257167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147257483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234923 + ... + 235548.

It is an arithmetic number, because the mean of its divisors is an integer number (36932052).

Almost surely, 2^147257423 is an apocalyptic number.

147257423 is a deficient number, since it is larger than the sum of its proper divisors (470785).

147257423 is an equidigital number, since it uses as much as digits as its factorization.

147257423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470784.

The product of its digits is 47040, while the sum is 35.

The square root of 147257423 is about 12134.9669550436. The cubic root of 147257423 is about 528.0710980456.

The spelling of 147257423 in words is "one hundred forty-seven million, two hundred fifty-seven thousand, four hundred twenty-three".